drm/amd/display: refactor vpg.h

why and how:
as part of cleanup, need to refactor vpg. It was improperly referenced
as a dcn specfic part of link. the dcn agnostic code needed was ripped out
and put into vpg.h, now in dc/inc/hw.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Parandhaman K <parandhaman.k@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/vpg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/vpg.h
new file mode 100644
index 000000000000..51da368f5c3e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/vpg.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2024 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ */
+
+#ifndef __DC_VPG_H__
+#define __DC_VPG_H__
+
+struct dc_context;
+struct dc_info_packet;
+
+struct vpg;
+
+struct vpg_funcs {
+	void (*update_generic_info_packet)(
+		struct vpg *vpg,
+		uint32_t packet_index,
+		const struct dc_info_packet *info_packet,
+		bool immediate_update);
+
+	void (*vpg_poweron)(
+		struct vpg *vpg);
+
+	void (*vpg_powerdown)(
+		struct vpg *vpg);
+};
+
+struct vpg {
+	const struct vpg_funcs *funcs;
+	struct dc_context *ctx;
+	int inst;
+};
+
+#endif /* DC_INC_VPG_H_ */
\ No newline at end of file